In geometry, a translation is the shifting of a figure from one place to another without rotating, reflecting or changing its size. This is done by moving the vertices of the figure the prescribed number of spaces on a coordinate plane and then drawing the new figure.
These PFDs are designed to keep the wearer in a vertical position, but it is the wearersâ responsibility to maneuver themselves into a face-up position. Type III PFDs will keep unconscious wearers face-up just as well as a Type II vest.
The result is simple: drowning. Thatâs one of the many benefits of a life jacket or PFD: it helps to keep your head above water during this critical first response. A second component of the Cold Shock Response involves hyperventilation. Like the gasp reflex, this is a natural reaction to the cold.